#ifndef __LINKNODEFUN_H__
#define __LINKNODEFUN_H__


typedef struct linknode
{
	int data;
	struct linknode *next;
}link_node;

link_node * creathead(void);

int headinsert(link_node *H);

int tailinsert(link_node *H);

int headdelete(link_node *H);

int taildelete(link_node *H);

int view(link_node *H);

int returnlist(link_node *H);

int posinsert(link_node *H);

int posdelete(link_node *H);


#endif
